56890394 has 16 divisors (see below), whose sum is σ = 96097536. Its totient is φ = 25024800.

The previous prime is 56890391. The next prime is 56890399. The reversal of 56890394 is 49309865.

It is not an unprimeable number, because it can be changed into a prime (56890391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41027 + ... + 42390.

It is an arithmetic number, because the mean of its divisors is an integer number (6006096).

Almost surely, 2^56890394 is an apocalyptic number.

56890394 is a deficient number, since it is larger than the sum of its proper divisors (39207142).

56890394 is a wasteful number, since it uses less digits than its factorization.

56890394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83461.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 56890394 is about 7542.5721077097. The cubic root of 56890394 is about 384.6032771758.

The spelling of 56890394 in words is "fifty-six million, eight hundred ninety thousand, three hundred ninety-four".